Home / 10,654.56-15,976.49-6,213.81

Finding the Fourth Proportional to 10,654.56, 15,976.49 and 6,213.81

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Solution

The fourth proportional to 10,654.56, 15,976.49 and 6,213.81 is: 9,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.56 : 15,976.49 = 6,213.81 : x
  2. Step 2: Convert to fraction form
    10,654.56/15,976.49 = 6,213.81/x
  3. Step 3: Cross multiply
    10,654.56x = 15,976.49 × 6,213.81
  4. Step 4: Simplify right side
    10,654.56x = 99,274,937.12
  5. Step 5: Solve for x
    x = 99,274,937.12/10,654.56
  6. Step 6: Final answer
    x = 9,317.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.